US Patent Issued to InterDigital Madison Patent Holdings on Feb. 25 for "Chroma residual scaling foreseeing a corrective value to be added to luma mapping slope values" (French Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,238,304, issued on Feb. 25, was assigned to InterDigital Madison Patent Holdings SAS (Paris).

"Chroma residual scaling foreseeing a corrective value to be added to luma mapping slope values" was invented by Edouard Francois (Bourg des Comptes, France), Franck Galpin (Thorigne-Fouillard, France), Karam Naser (Mouaze, France) and Philippe De Lagrange (Betton, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "At least a method and an apparatus are presented for efficiently encoding or decoding video. For example, one or more chroma residual scaling parameters are determined based one or more luma mapping parameters and based on a corrective value of th...